menucontentsrv/enginc/menuengidmanagerinit.h
changeset 0 79c6a41cd166
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menucontentsrv/enginc/menuengidmanagerinit.h	Thu Dec 17 08:54:17 2009 +0200
@@ -0,0 +1,80 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#ifndef __MENUENGIDMANAGERINIT_H__
+#define __MENUENGIDMANAGERINIT_H__
+
+// INCLUDES
+
+#include <e32base.h>
+#include "menuengvisitor.h"
+
+// FORWARD DECLARATION
+
+class CMenuEngIdManager;
+
+// CLASS DECLARATION
+
+/**
+* Menu Engine ID manager initialization - recurse the menu tree and collect
+* all used ID-s from objects, into the ID manager.
+*/
+NONSHARABLE_CLASS( TMenuEngIdManagerInit ): public MMenuEngVisitor
+    {
+
+public:     // construction
+
+    /**
+    * Constructor.
+    * @param aIdManager Ids are collected into this manager.
+    */
+    TMenuEngIdManagerInit( CMenuEngIdManager& aIdManager )
+        : iIdManager( aIdManager ) {}
+
+public:     // new methods
+
+    /**
+    * Enter folder.
+    * @param aFolder Entering this folder.
+    * @return ETrue (visit children of this folder).
+    */
+    TBool VisitEnterL( CMenuEngObject& aFolder )
+        { AddIdL( aFolder ); return ETrue; }
+
+    /**
+    * Visit leaf node.
+    * @param aLeaf Leaf node.
+    * @return ETrue (visit next sibling of this leaf).
+    */
+    TBool VisitL( CMenuEngObject& aLeaf )
+        { AddIdL( aLeaf ); return ETrue; }
+
+private:    // new methods
+
+    /**
+    * Add ID from object.
+    * @param aObject Object.
+    */
+    void AddIdL( CMenuEngObject& aObject );
+
+private:    // data
+
+    CMenuEngIdManager& iIdManager; ///< Id manager.
+
+    };
+
+#endif // __MENUENGIDMANAGERINIT_H__